HSS Hand Taps - Metric

Size (mm)	Pitch (mm)	OAL (mm)	Drill Ø (mm)	Taper	Intermediate	Bottoming
3	0.5	48	2.5	3020-3.00T	3020-3.00I	3020-3.00B
4	0.7	53	3.3	3020-4.00T	3020-4.00I	3020-4.00B
5	0.8	58	4.2	3020-5.00T	3020-5.00I	3020-5.00B
6	1.0	66	5.0	3020-6.00T		3020-6.00B
8	1.25	72	6.8	3020-8.00T	3020-8.00I	3020-8.00B
10	1.5	80	8.5	3020-10.00T	3020-10.00I	3020-10.00B
12	1.75	89	10.2	3020-12.00T	3020-12.00I	3020-12.00B
14	2.0	95	12.0	3020-14.00T	3020-14.00I	3020-14.00B
16	2.0	102	14.0	3020-16.00T	3020-16.00I	3020-16.00B
18	2.5	112	15.5	3020-18.00T	3020-18.00I	3020-18.00B
20	2.5	112	17.5	3020-20.00T	3020-20.00I	3020-20.00B

HSS Hand Taps - Metric Fine

Size (mm)	Pitch (mm)	OAL (mm)	Drill Ø (mm)	Taper	Intermediate	Bottoming
8	1.0	69	7.0	3021-8.00T	3021-8.00I	3021-8.00B
10	1.0	76	9.0	3022-10.00T	3022-10.00I	3022-10.00B
10	1.25	76	8.8	3021-10.00T	3021-10.00I	3021-10.00B
12	1.25	84	10.8	3022-12.00T	3022-12.00I	3022-12.00B
12	1.5	89	10.5	3021-12.00T	3021-12.00I	3021-12.00B
14	1.25	90	12.8	3022-14.00T	3022-14.00I	3022-14.00B
14	1.5	95	12.5	3021-14.00T	3021-14.00I	3021-14.00B
25	1.5	120	23.5	3023-25.00T	3023-25.00I	3023-25.00B

Hand Taps - UNC (Unified National Coarse)

Size (mm)	TPI	OAL (mm)	Drill Ø (mm)	Taper	Intermediate	Bottoming
8G	32	53	3.5	3032-8GT	3032-8GI	3032-8GB
10G	24	58	3.9	3032-10GT	3032-10GI	3032-10GB
3/16	24 UNS	58	3.7	3032-3/16T	3032-3/16I	3032-3/16B
1/4	20	66	5.1	3032-1/4T	3032-1/4I	3032-1/4B
5/16	18	72	6.6	3032-5/16T	3032-5/16I	3032-5/16B
3/8	16	80	8	3032-3/8T	3032-3/8I	3032-3/8B
7/16	14	85	9.4	3032-7/16T	3032-7/16I	3032-7/16B
1/2	13	89	10.8	3032-1/2T	3032-1/2I	3032-1/2B
9/16	12	95	12.2	3032-9/16T	3032-9/16I	3032-9/16B
5/8	11	102	13.5	3032-5/8T	3032-5/8I	3032-5/8B
3/4	10	112	16.5	3032-3/4T	3032-3/4I	3032-3/4B
1	8	130	22.25	3032-1T	3032-1I	3032-1B

Hand Taps - UNF (Unified National Fine)

Size	TPI	OAL (mm)	Drill Ø (mm)	Taper	Intermediate	Bottoming
8G	36	53	3.5	3034-8GT	3034-8GI	3034-8GB
10G	32	58	4.1	3034-10GT	3034-10GI	3034-10GB
1/4	28	66	5.5	3034-1/4T	3034-1/4I	3034-1/4B
5/16	24	69	6.9	3034-5/16T	3034-5/16I	3034-5/16B
3/8	24	76	8.5	3034-3/8T	3034-3/8I	3034-3/8B
7/16	20	82	9.9	3034-7/16T	3034-7/16I	3034-7/16B
1/2	20	84	11.5	3034-1/2T	3034-1/2I	3034-1/2B
9/16	18	90	12.9	3034-9/16T	3034-9/16I	3034-9/16B
5/8	18	95	14.5	3034-5/8T	3034-5/8I	3034-5/8B
3/4	16	104	17.5	3034-3/4T	3034-3/4I	3034-3/4B
1	12	120	23.25	3034-1T	3034-1I	3034-1B

Hand Taps - G Series - BSPF (British Standard Pipe Fitting)

Size	TPI	OAL (mm)	Drill Ø (mm)	Taper	Intermediate	Bottoming
1/8	28	59	8.8	3046-1/8T	3046-1/8I	3046-1/8B
1/4	19	67	11.8	3046-1/4T	3046-1/4I	3046-1/4B
3/8	19	75	15.25	3046-3/8T	3046-3/8I	3046-3/8B
1/2	14	87	19	3046-1/2T	3046-1/2I	3046-1/2B
5/8	14	91	21			3046-5/8B
3/4	14	96	24.5	3046-3/4T	3046-3/4I	3046-3/4B
1	11	109	30.75	3046-1T	3046-1I	3046-1B

Hand Taps - RC Series - BSPT (British Standard Pipe Taper)

Size	TPI	OAL (mm)	Drill Ø (mm)	Bottoming
1/8	28	59	8.4	3048-1/8B
1/4	19	67	11.2	3048-1/4B
3/8	19	75	14.75	3048-3/8B
1/2	14	87	18.25	3048-1/2B
3/4	14	96	23.75	3048-3/4B
1	11	109	30	3048-1B

Hand Taps - NPT (National Pipe Taper) 15° Chamfer

Size	TPI	OAL (mm)	Drill Ø (mm)	Bottoming
1/8	27	59	8.7	3052-1/8B
1/4	18	67	11.1	3052-1/4B
3/8	18	75	14.5	3052-3/8B
1/2	14	87	18	3052-1/2B
3/4	14	96	23.25	3052-3/4B
1	11.5	109	29	3052-1B